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The Goodman B1370154 Rollout Limit Switch is a genuine OEM safety control engineered for the GMPV100-3 gas furnace and compatible Goodman/Amana packaged units. This manual-reset switch monitors for flame rollout at the burner assembly and interrupts the gas valve circuit when temperatures exceed its 350°F trip point, protecting the heat exchanger and surrounding components from dangerous overheating.
The genuine OEM B1370154 is calibrated to Goodman's exact trip specification and terminal geometry, ensuring a factory-correct fit and reliable safety response. Aftermarket equivalents may vary in reset behavior or bracket alignment; for a critical burner-safety component, OEM is the recommended choice.
Difficulty: Easy (1/5). Requires disconnecting power, removing two mounting screws and the spade connectors, and installing the replacement in the same orientation. Most DIY-capable owners complete this in under 15 minutes. Always shut off electrical power and gas supply before servicing.
If your furnace repeatedly trips this switch, inspect for blocked venting or a cracked heat exchanger before returning the unit to service.